Can these guys be friends mixing duck breeds

i have 6 runner ducks(I think they are mutts they only stand straight sometimes) I'm giving to a friend. my daughter wants to keep 1 male. i have scovies boys and girls and a goose. They are all about the same age Can we keep just the 1 runner with this group? they all live together now. how will he do in the group with out his brothers and sisters?